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Finding the Fourth Proportional to 546,065.80, 819,098.70 and 488,985.10

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Solution

The fourth proportional to 546,065.80, 819,098.70 and 488,985.10 is: 733,477.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,065.80 : 819,098.70 = 488,985.10 : x
  2. Step 2: Convert to fraction form
    546,065.80/819,098.70 = 488,985.10/x
  3. Step 3: Cross multiply
    546,065.80x = 819,098.70 × 488,985.10
  4. Step 4: Simplify right side
    546,065.80x = 400,527,059,729.37
  5. Step 5: Solve for x
    x = 400,527,059,729.37/546,065.80
  6. Step 6: Final answer
    x = 733,477.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.